# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=10 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 11 --- ## [Is the lack of noise from an electric car a safety problem?](https://community.electricforum.com/t/is-the-lack-of-noise-from-an-electric-car-a-safety-problem/3087)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 2\ **Last updated:** [August 13, 2014, 2:54pm UTC](https://community.electricforum.com/t/is-the-lack-of-noise-from-an-electric-car-a-safety-problem/3087 "2014-08-13T14:54:46Z")
The fact that traditional cars of today are often very noisy is inadvertently a way in which to avoid even more traffic accidents because the likelihood is that you will hear the car coming before you see it. However, a … --- ## [Need help, 12V battery](https://community.electricforum.com/t/need-help-12v-battery/4382)
**Author:** [@Utax](https://community.electricforum.com/u/Utax)\ **Replies:** 0\ **Last updated:** [August 13, 2014, 10:13am UTC](https://community.electricforum.com/t/need-help-12v-battery/4382 "2014-08-13T10:13:55Z")
Hello. I am new on this forum, so if i do somthing wrong tell me asap =) I do have a el-bike. 48V, 1000 W motor. I have serie-connected four 12V car (gel) batteries to it. This work werry well, but the problem is, it'… --- ## [SAMSUNG & XINCHI Ebike 18650 comparison](https://community.electricforum.com/t/samsung-xinchi-ebike-18650-comparison/4372)
**Author:** [@lindsay](https://community.electricforum.com/u/lindsay)\ **Replies:** 0\ **Last updated:** [August 7, 2014, 1:23am UTC](https://community.electricforum.com/t/samsung-xinchi-ebike-18650-comparison/4372 "2014-08-07T01:23:48Z")
XINCHI with brand name SINCPOWER, are professional lithium ion battery manufacture with all production equipments imported from Japan, Canada and Germany. The18650 cells have better technical performance than those of SA… --- ## [Help](https://community.electricforum.com/t/help/4367)
**Author:** [@tko8787](https://community.electricforum.com/u/tko8787)\ **Replies:** 0\ **Last updated:** [August 2, 2014, 11:50am UTC](https://community.electricforum.com/t/help/4367 "2014-08-02T11:50:41Z")
Hello I'm new to forum and getting my butt whipped In inherited a 2000 e825 4 seater When I got it there was no charger, ignition wires cut and no batteries So far I have new batteries and a delta Q 72 v Three wires com… --- ## [2008 Olympics EV battery system](https://community.electricforum.com/t/2008-olympics-ev-battery-system/4302)
**Author:** [@lindsay](https://community.electricforum.com/u/lindsay)\ **Replies:** 1\ **Last updated:** [July 22, 2014, 11:51pm UTC](https://community.electricforum.com/t/2008-olympics-ev-battery-system/4302 "2014-07-22T23:51:25Z")
Does anyone know what kind of battery system China use for 2008 Olympic Buses? It is like this: The biggest specialty is the structure. The manufacture use a special fire-proof latticework to fix the battery cells. Thes… --- ## [Electric car driving licence](https://community.electricforum.com/t/electric-car-driving-licence/3206)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 1\ **Last updated:** [July 17, 2014, 7:30am UTC](https://community.electricforum.com/t/electric-car-driving-licence/3206 "2014-07-17T07:30:17Z")
There is some confusion with regards to electric car driving licences and whether indeed you need additional paperwork to drive an electric car. The reality is that electric cars are authorised by the local country trans… --- ## [Multiplexed Electric Vehicle Charging System](https://community.electricforum.com/t/multiplexed-electric-vehicle-charging-system/4334)
**Author:** [@jmaurio](https://community.electricforum.com/u/jmaurio)\ **Replies:** 1\ **Last updated:** [July 16, 2014, 1:09pm UTC](https://community.electricforum.com/t/multiplexed-electric-vehicle-charging-system/4334 "2014-07-16T13:09:24Z")
I am an electrical engineer who works at a large electronics manufacturing company. I am also an electric vehicle enthusiast and owner of a 2013 Chevy Volt. A few of my co-workers and I developed an electric vehicle … --- ## [Need help troubleshooting charger](https://community.electricforum.com/t/need-help-troubleshooting-charger/4329)
**Author:** [@jv3](https://community.electricforum.com/u/jv3)\ **Replies:** 0\ **Last updated:** [July 14, 2014, 8:17am UTC](https://community.electricforum.com/t/need-help-troubleshooting-charger/4329 "2014-07-14T08:17:55Z")
I have a Manzanita Micro PFC20 in my EV Chevy truck (I bought truck already converted). When I plug in, no matter how much charge is on batteries, charger goes directly to timer/shutdown mode--yellow limit light is on an… --- ## [Have you heard of water-proof lithium titanate Ebike/Escooter battery?](https://community.electricforum.com/t/have-you-heard-of-water-proof-lithium-titanate-ebike-escooter-battery/4301)
**Author:** [@lindsay](https://community.electricforum.com/u/lindsay)\ **Replies:** 0\ **Last updated:** [July 4, 2014, 12:40am UTC](https://community.electricforum.com/t/have-you-heard-of-water-proof-lithium-titanate-ebike-escooter-battery/4301 "2014-07-04T00:40:55Z")
We all know common lithium ion E-bike battery pack. Is there anyone heard of lithium titanate Ecycle battery, please? We all know titanate chmistry has a special feature of much longer life. So this battery has much long… --- ## [EV Batteries, LiFePo4 Batteries](https://community.electricforum.com/t/ev-batteries-lifepo4-batteries/4295)
**Author:** [@joolee](https://community.electricforum.com/u/joolee)\ **Replies:** 0\ **Last updated:** [July 1, 2014, 8:57am UTC](https://community.electricforum.com/t/ev-batteries-lifepo4-batteries/4295 "2014-07-01T08:57:57Z")
JooLee Battery is a professional manufacturer of LiFePo4 battery use to e-bike, power tools, toys, aircraft, Auto car, Bus, Scooter and so on. 5Ah to 1500Ah of the capacity and 3V to 550V of the Voltage. Delivery time is… --- ## [Lithium ion Battery Pack, EV, Ebike batteries](https://community.electricforum.com/t/lithium-ion-battery-pack-ev-ebike-batteries/4294)
**Author:** [@joolee](https://community.electricforum.com/u/joolee)\ **Replies:** 0\ **Last updated:** [July 1, 2014, 8:54am UTC](https://community.electricforum.com/t/lithium-ion-battery-pack-ev-ebike-batteries/4294 "2014-07-01T08:54:59Z")
JooLee Battery is a professional manufacturer of LiFePo4 battery use to e-bike, power tools, toys, aircraft, Auto car, Bus, Scooter and so on. 5Ah to 1500Ah of the capacity and 3V to 550V of the Voltage. Delivery time is… --- ## [2002 gem e825](https://community.electricforum.com/t/2002-gem-e825/3313)
**Author:** [@SMendoza](https://community.electricforum.com/u/SMendoza)\ **Replies:** 1\ **Last updated:** [July 1, 2014, 4:11am UTC](https://community.electricforum.com/t/2002-gem-e825/3313 "2014-07-01T04:11:47Z")
Help my E825 is not charging. I currently have 68V and not sure why it will not charge. Any input would be appreciated Thank you in advanced --- ## [Help Me Install Charge Station At Work](https://community.electricforum.com/t/help-me-install-charge-station-at-work/4264)
**Author:** [@randomELECTRIC](https://community.electricforum.com/u/randomELECTRIC)\ **Replies:** 0\ **Last updated:** [June 10, 2014, 12:23pm UTC](https://community.electricforum.com/t/help-me-install-charge-station-at-work/4264 "2014-06-10T12:23:44Z")
My company will allow charging stations to be installed on their premises - however they won't do the legwork. I don't know where to start, all help is appreciated. Backstory: We are a company of 300 in San Jose, abou… --- ## [Com port](https://community.electricforum.com/t/com-port/4259)
**Author:** [@hornet](https://community.electricforum.com/u/hornet)\ **Replies:** 0\ **Last updated:** [June 5, 2014, 5:48am UTC](https://community.electricforum.com/t/com-port/4259 "2014-06-05T05:48:18Z")
Hi, I have Rewa G wiz and my problem is com connector which is connected with EMS. This tree cable (blue red black) are brooken ftom it. So how to connect them right way? --- ## [RG24-11M Aircraft Battery (24V) for a EV?](https://community.electricforum.com/t/rg24-11m-aircraft-battery-24v-for-a-ev/1105)
**Author:** [@d55guy](https://community.electricforum.com/u/d55guy)\ **Replies:** 5\ **Last updated:** [May 19, 2014, 1:19am UTC](https://community.electricforum.com/t/rg24-11m-aircraft-battery-24v-for-a-ev/1105 "2014-05-19T01:19:59Z")
I have been researching for years about building my own EV and was about to start the conversion on my 99 ranger but the economy went down and my new job is 35miles each way so a commuter is out. Just a background I am … --- ## [The Dirty Truth of Gasoline](https://community.electricforum.com/t/the-dirty-truth-of-gasoline/522)
**Author:** [@SerpaDesigns](https://community.electricforum.com/u/SerpaDesigns)\ **Replies:** 17\ **Last updated:** [May 14, 2014, 3:22pm UTC](https://community.electricforum.com/t/the-dirty-truth-of-gasoline/522 "2014-05-14T15:22:06Z")
Isn't it ridiculous to state that a gallon of gasoline (6.3 lbs) produces 20 lbs of carbon dioxide? Visit: http://www.fueleconomy.gov/feg/co2.shtml for an explanation. - It takes oil to make gasoline. In fact, th… --- ## [Green light](https://community.electricforum.com/t/green-light/4213)
**Author:** [@Rwales1](https://community.electricforum.com/u/Rwales1)\ **Replies:** 0\ **Last updated:** [April 30, 2014, 3:19pm UTC](https://community.electricforum.com/t/green-light/4213 "2014-04-30T15:19:09Z")
I have a two seater GEM car, which I bought used in 2008. The Gel batteries we're replace 18 months ago with red 12 volt acid batteries. I watch the water closely, and just topped off a few days ago. After charging all n… --- ## [On board charger](https://community.electricforum.com/t/on-board-charger/4209)
**Author:** [@Mummy\_Tech](https://community.electricforum.com/u/Mummy_Tech)\ **Replies:** 0\ **Last updated:** [April 28, 2014, 6:29pm UTC](https://community.electricforum.com/t/on-board-charger/4209 "2014-04-28T18:29:00Z")
Where can I get an onboard 48V charger and plug? I have a 1999 GEM that was converted to an external charger. Thanks --- ## [Speedometer](https://community.electricforum.com/t/speedometer/4208)
**Author:** [@Mummy\_Tech](https://community.electricforum.com/u/Mummy_Tech)\ **Replies:** 0\ **Last updated:** [April 28, 2014, 6:23pm UTC](https://community.electricforum.com/t/speedometer/4208 "2014-04-28T18:23:34Z")
I have a 1999 E580 and all it has is a battery indicator. Can I change to a speedometer/info gauge? Thanks --- ## [Are we on the verge of significant savings for electric vehicles?](https://community.electricforum.com/t/are-we-on-the-verge-of-significant-savings-for-electric-vehicles/4194)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [April 18, 2014, 10:24am UTC](https://community.electricforum.com/t/are-we-on-the-verge-of-significant-savings-for-electric-vehicles/4194 "2014-04-18T10:24:38Z")
For the last couple of years experts have promised us that the cost of electric vehicles would fall, as the cost of technology decreases, but so far we have seen very little evidence of this. In some ways this has put of… --- ## [DeltaQ charger](https://community.electricforum.com/t/deltaq-charger/4183)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 1\ **Last updated:** [April 15, 2014, 10:17am UTC](https://community.electricforum.com/t/deltaq-charger/4183 "2014-04-15T10:17:50Z")
Bought a Delta Q charger last winter for my Gem. Cannot change algorithm. Local Golf Cart places are no help We are in central Florida. Is there any Delta Q repair facilities in my area that can program/repair this unit … --- ## [How to bypass fc converter 99 gem e825](https://community.electricforum.com/t/how-to-bypass-fc-converter-99-gem-e825/4174)
**Author:** [@Ccdatvs](https://community.electricforum.com/u/Ccdatvs)\ **Replies:** 4\ **Last updated:** [April 14, 2014, 5:34pm UTC](https://community.electricforum.com/t/how-to-bypass-fc-converter-99-gem-e825/4174 "2014-04-14T17:34:16Z")
I just bought this gem I ve got the batteries up to full charge the dc converter booard is the old open one with out removable fuse s it has damage I can upload photos if needed I would like to bypass the dc board so I c… --- ## [Gem Car Fires](https://community.electricforum.com/t/gem-car-fires/3863)
**Author:** [@JohnnyBGood](https://community.electricforum.com/u/JohnnyBGood)\ **Replies:** 1\ **Last updated:** [April 11, 2014, 10:30pm UTC](https://community.electricforum.com/t/gem-car-fires/3863 "2014-04-11T22:30:40Z")
What about Gem car battery fires, anyone? My son's 2005 e4 just caught fire and burned his home to the ground. Let me know the history on the fires on Gem cars. --- ## [Would you use an app to show you where charging stations are located?](https://community.electricforum.com/t/would-you-use-an-app-to-show-you-where-charging-stations-are-located/3999)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 2\ **Last updated:** [April 11, 2014, 9:27pm UTC](https://community.electricforum.com/t/would-you-use-an-app-to-show-you-where-charging-stations-are-located/3999 "2014-04-11T21:27:51Z")
More and more people seem to be looking towards the mobile phone app as a means of communicating the location of the nearest charging stations for those with electric vehicles. Would you use an app to find the nearest ch… --- ## [US Battery quality issues](https://community.electricforum.com/t/us-battery-quality-issues/4177)
**Author:** [@batterycartoday](https://community.electricforum.com/u/batterycartoday)\ **Replies:** 0\ **Last updated:** [April 11, 2014, 12:51pm UTC](https://community.electricforum.com/t/us-battery-quality-issues/4177 "2014-04-11T12:51:11Z")
I know using lead acids is a little old fashioned, but we have used them in our home converted vehicle with good results for quite a while. Unfortunately, we have had problems with the latest set of 8v deep cycle batter… --- ## [PluggIt - Source London map iPhone app](https://community.electricforum.com/t/pluggit-source-london-map-iphone-app/4140)
**Author:** [@Roland](https://community.electricforum.com/u/Roland)\ **Replies:** 0\ **Last updated:** [March 23, 2014, 4:50pm UTC](https://community.electricforum.com/t/pluggit-source-london-map-iphone-app/4140 "2014-03-23T16:50:37Z")
Hi guys. Just wanted to let you know about a Source London map iPhone app I just released called PluggIt (look it up on the app store or search Google). I was frustrated by how badly the Source London website map wo… --- ## [Help me design a Public Charging Station](https://community.electricforum.com/t/help-me-design-a-public-charging-station/1177)
**Author:** [@AdamLong](https://community.electricforum.com/u/AdamLong)\ **Replies:** 1\ **Last updated:** [March 23, 2014, 4:45am UTC](https://community.electricforum.com/t/help-me-design-a-public-charging-station/1177 "2014-03-23T04:45:31Z")
Hello! I am a student Industrial Designer from Sydney, doing my final year design project on designing a public charging station for electric vehicles. You can help me greatly by telling me all about what you think of… --- ## [How to store batteries for 3 years?](https://community.electricforum.com/t/how-to-store-batteries-for-3-years/2655)
**Author:** [@Read\_Mc](https://community.electricforum.com/u/Read_Mc)\ **Replies:** 3\ **Last updated:** [March 21, 2014, 1:12am UTC](https://community.electricforum.com/t/how-to-store-batteries-for-3-years/2655 "2014-03-21T01:12:03Z")
I have 18 Napa GC8 (8-volt) batteries in my EV. I am leaving the country for 2-3 years (Peace Corps) and want to know which option is best: 1. Keep batteries in vehicle, parked outdoors but covered with tarp. Temperature… --- ## [Best way to get new charging stations installed](https://community.electricforum.com/t/best-way-to-get-new-charging-stations-installed/4103)
**Author:** [@rontivo](https://community.electricforum.com/u/rontivo)\ **Replies:** 2\ **Last updated:** [March 21, 2014, 1:06am UTC](https://community.electricforum.com/t/best-way-to-get-new-charging-stations-installed/4103 "2014-03-21T01:06:18Z")
I've had my EV (a Ford Focus) for a couple of months now, and I've emailed a few places to inquire about their plans for installing charging stations, and the replies have been discouraging. The most typical response is… --- ## [The rise and rise of mobile phone apps assists the electric vehicle market](https://community.electricforum.com/t/the-rise-and-rise-of-mobile-phone-apps-assists-the-electric-vehicle-market/4107)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [March 2, 2014, 2:33pm UTC](https://community.electricforum.com/t/the-rise-and-rise-of-mobile-phone-apps-assists-the-electric-vehicle-market/4107 "2014-03-02T14:33:16Z")
Only a few years ago many would have scoffed at the idea of the mobile phone market assisting the electric vehicle industry in cracking the mass market. Few would have been supportive of the array of electric vehicle app… [Previous page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=9) [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=11)